| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Abraxas Services Ltd | 02854536 | 23/02/1994 | Dissolved |
| Continental Vintners Ltd | 02172371 | 31/03/1990 | Dissolved |
| Deerness Minerals Ltd | 01809368 | 31/12/1991 | Dissolved |
| Sacor Ltd | 02638304 | 10/03/1993 | Dissolved |
| Young Group Plc | 02226511 | 08/05/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BANKS PROPERTY LIMITED | 03081092 | 18/10/2006 | 14/11/2008 | Bronze |
| CONFEDERATION OF UK COAL PRODUCERS | 02551116 | 05/06/2014 | 27/10/2015 | Dissolved |
| DERWENTSIDE ENTERPRISE AGENCY C.I.C | 01674373 | 15/10/1991 | 09/11/1993 | Bronze |
| FORWARD SOUND LIMITED | 06723693 | 21/01/2009 | 10/04/2015 | Amber |
| GENTOO HOMES LIMITED | 04739226 | 27/07/2016 | 29/01/2020 | Amber |
| TOWER REGENERATION LEASING LIMITED | 07836733 | 07/11/2011 | 10/04/2015 | One Red Flag |
| TOWER REGENERATION LIMITED | 06995899 | 25/08/2009 | 10/04/2015 | One Red Flag |
| The National Association Of Licensed Opencast Operators | 02234416 | 01/04/1999 | 14/11/2008 | Dissolved |
| The National Association Of Licensed Opencast Operators | 02234416 | 29/09/1992 | 14/11/2008 | Dissolved |